%0 Journal Article %T Heptane-1,7-diaminium dinitrate %A Charmaine Arderne %J Acta Crystallographica Section E %D 2011 %I International Union of Crystallography %R 10.1107/s1600536811042917 %X In the title molecular salt, C7H20N22+¡¤2NO3 , the crystal structure exhibits an unusual back-to-back paired double-stacked packing arrangement culminating in an overall double zigzag pattern of the dications. The nitrate anions form a ring around one pair of double-stacked dications. An intricate three-dimensional N¡ªH...O and N¡ªH...(O,O) hydrogen-bonding network exists in the crystal structure. %U http://scripts.iucr.org/cgi-bin/paper?S1600536811042917